[llvm] [CodeGen] Use LocationSize for MMO getSize (PR #84751)

[Matt Arsenault via llvm-commits]

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@@ -647,15 +647,15 @@ bool GIMatchTableExecutor::executeMatchTable(
 
       unsigned Size = MRI.getType(MO.getReg()).getSizeInBits();
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arsenm wrote:

should Size not be unsigned here? 

https://github.com/llvm/llvm-project/pull/84751